A forum for general comments, questions and discussion. May be posted to by all registered users. Guests may view posts. Whether you use Gravity Simulator for research or for school, this is the place to ask your questions. Please be sure to read the terms of use (user agreement). New Members need to post in the welcome thread within 24 hours from account activation to complete confirmation. Note that the time to confirm registration has been increased, due to the new board. Hopefully, the new security protocols will keep the spammers and bots at bay.